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* Use llvm/Object/MachO.h in macho-dumper. Drop the old macho parser.Rafael Espindola2013-04-261-29/+132
| | | | | | | | | | | | | | | | | | | | | For Mach-O there were 2 implementations for parsing object files. A standalone llvm/Object/MachOObject.h and llvm/Object/MachO.h which implements the generic interface in llvm/Object/ObjectFile.h. This patch adds the missing features to MachO.h, moves macho-dump to use MachO.h and removes ObjectFile.h. In addition to making sure that check-all is clean, I checked that the new version produces exactly the same output in all Mach-O files in a llvm+clang build directory (including executables and shared libraries). To test the performance, I ran macho-dump over all the files in a llvm+clang build directory again, but this time redirecting the output to /dev/null. Both the old and new versions take about 4.6 seconds (2.5 user) to finish. llvm-svn: 180624
* Use a pointer as the relocation iterator.Rafael Espindola2013-04-251-24/+29
| | | | | | | | Since the relocation iterator walks only the relocations in one section, we can just use a pointer and avoid fetching information about the section at every reference. llvm-svn: 180262
* Clarify getRelocationAddress x getRelocationOffset a bit.Rafael Espindola2013-04-251-15/+1
| | | | | | | | | | getRelocationAddress is for dynamic libraries and executables, getRelocationOffset for relocatable objects. Mark the getRelocationAddress of COFF and MachO as not implemented yet. Add a test of ELF's. llvm-readobj -r now prints the same values as readelf -r. llvm-svn: 180259
* Use pointers to iterate over symbols.Rafael Espindola2013-04-241-30/+36
| | | | | | | | While here, don't report a dummy symbol for relocations that don't have symbols. We used to says such relocations were for the first defined symbol, but now we return end_symbols(). The llvm-readobj output change agrees with otool. llvm-svn: 180214
* Revert r180189.Rafael Espindola2013-04-241-29/+24
| | | | | | | This should bring the ppc bots back. I will try to write a test that would have found the problem on a little endian system too. llvm-svn: 180194
* Formatting fixes.Rafael Espindola2013-04-241-31/+20
| | | | llvm-svn: 180190
* Use a pointer as the relocation iterator.Rafael Espindola2013-04-241-23/+28
| | | | | | | | Since the relocation iterator walks only the relocations in one section, we can just use a pointer and avoid fetching information about the section at every reference. llvm-svn: 180189
* refactor the struct byte swapping to a helper function.Rafael Espindola2013-04-191-70/+20
| | | | llvm-svn: 179851
* Don't read one command past the end.Rafael Espindola2013-04-191-2/+6
| | | | | | | | | Thanks to Evgeniy Stepanov for reporting this. It might be a good idea to add a command iterator abstraction to MachO.h, but this fixes the bug for now. llvm-svn: 179848
* At Jim Grosbach's request detemplate Object/MachO.h.Rafael Espindola2013-04-181-82/+1379
| | | | | | | We are still able to handle mixed endian objects by swapping one struct at a time. llvm-svn: 179778
* Finish templating MachObjectFile over endianness.Rafael Espindola2013-04-131-417/+15
| | | | | | | We are now able to handle big endian macho files in llvm-readobject. Thanks to David Fang for providing the object files. llvm-svn: 179440
* Add 179294 back, but don't use bit fields so that it works on big endian hosts.Rafael Espindola2013-04-121-8/+44
| | | | | | | | | | | | | | Original message: Print more information about relocations. With this patch llvm-readobj now prints if a relocation is pcrel, its length, if it is extern and if it is scattered. It also refactors the code a bit to use bit fields instead of shifts and masks all over the place. llvm-svn: 179345
* Revert my last two commits while I debug what is wrong in a big endian host.Rafael Espindola2013-04-111-44/+8
| | | | llvm-svn: 179303
* Print more information about relocations.Rafael Espindola2013-04-111-8/+44
| | | | | | | | | | With this patch llvm-readobj now prints if a relocation is pcrel, its length, if it is extern and if it is scattered. It also refactors the code a bit to use bit fields instead of shifts and masks all over the place. llvm-svn: 179294
* Fix MachO's getRelocationAdditionalInfo.Rafael Espindola2013-04-111-0/+6
| | | | | | | It was returning the loaded address of the section containing the relocation, which really doesn't seem to be the intent of this function. llvm-svn: 179255
* Template MachOObjectFile over endianness too.Rafael Espindola2013-04-101-9/+9
| | | | llvm-svn: 179179
* Template the MachO types over endianness.Rafael Espindola2013-04-101-6/+6
| | | | | | For now they are still only used as little endian. llvm-svn: 179147
* Convert MachOObjectFile to a template.Rafael Espindola2013-04-091-852/+110
| | | | | | | For now it is templated only on being 64 or 32 bits. I will add little/big endian next. llvm-svn: 179097
* More uses for SymbolTableEntryBase.Rafael Espindola2013-04-091-35/+9
| | | | llvm-svn: 179076
* Add a SymbolTableEntryBase.Rafael Espindola2013-04-091-47/+27
| | | | | | Use it when we don't need to know if we have a 32 or 64 bit SymbolTableEntry. llvm-svn: 179074
* Add a SectionBase struct.Rafael Espindola2013-04-081-24/+24
| | | | | | | Use it to share code and when we don't need to know if we have a 32 or 64 bit Section. llvm-svn: 179072
* Template the MachO types over the word size.Rafael Espindola2013-04-081-65/+86
| | | | llvm-svn: 179051
* Remove is64BitLoadCommand.Rafael Espindola2013-04-081-20/+10
| | | | llvm-svn: 179048
* Add all 4 MachO object types. Use the stored type to implement is64Bits().Rafael Espindola2013-04-081-5/+8
| | | | llvm-svn: 179021
* Make MachOObjectFile independent from MachOObject.Rafael Espindola2013-04-071-16/+9
| | | | llvm-svn: 178998
* Implement MachOObjectFile::getData directly.Rafael Espindola2013-04-071-1/+1
| | | | llvm-svn: 178997
* Implement MachOObjectFile::is64Bit directly.Rafael Espindola2013-04-071-1/+2
| | | | llvm-svn: 178996
* Implement MachOObjectFile::getHeaderSize directly.Rafael Espindola2013-04-071-1/+1
| | | | llvm-svn: 178995
* Implement MachOObjectFile::getHeader directly.Rafael Espindola2013-04-071-14/+15
| | | | llvm-svn: 178994
* Implement MachOObjectFile::getHeaderSize and MachOObjectFile::getData.Rafael Espindola2013-04-071-41/+44
| | | | | | | These were the last missing forwarding functions. Also consistently use the forwarding functions instead of using MachOObj directly. llvm-svn: 178992
* Remove LoadCommandInfo now that we always have a pointer to the command.Rafael Espindola2013-04-071-58/+27
| | | | | | | LoadCommandInfo was needed to keep a command and its offset in the file. Now that we always have a pointer to the command, we don't need the offset. llvm-svn: 178991
* Add MachOObjectFile::LoadCommandInfo.Rafael Espindola2013-04-071-8/+23
| | | | | | This avoids using MachOObject::getLoadCommandInfo. llvm-svn: 178990
* Use getLoadCommandInfo instead of MachOObj->getLoadCommandInfo.Rafael Espindola2013-04-071-18/+19
| | | | llvm-svn: 178989
* Construct MachOObject in MachOObjectFile's constructor.Rafael Espindola2013-04-071-16/+20
| | | | llvm-svn: 178988
* Remove unused argument.Rafael Espindola2013-04-071-1/+1
| | | | llvm-svn: 178987
* Remove MachOObjectFile::getObject.Rafael Espindola2013-04-071-0/+14
| | | | llvm-svn: 178986
* Remove two uses of getObject.Rafael Espindola2013-04-071-0/+3
| | | | llvm-svn: 178985
* Remove last use of InMemoryStruct in llvm-objdump.Rafael Espindola2013-04-071-0/+8
| | | | llvm-svn: 178979
* Remove last use of InMemoryStruct from MachOObjectFile.cpp.Rafael Espindola2013-04-061-4/+19
| | | | llvm-svn: 178948
* Don't use InMemoryStruct<macho::SymtabLoadCommand>.Rafael Espindola2013-04-061-20/+43
| | | | | | | This also required not using the RegisterStringTable API, which is also a good thing. llvm-svn: 178947
* Don't use InMemoryStruct in getSymbol64TableEntry.Rafael Espindola2013-04-061-24/+19
| | | | llvm-svn: 178946
* Don't use InMemoryStruct in getSymbolTableEntry.Rafael Espindola2013-04-061-23/+19
| | | | llvm-svn: 178945
* Don't use InMemoryStruct in getRelocation.Rafael Espindola2013-04-061-31/+21
| | | | llvm-svn: 178943
* Define versions of Section that are explicitly marked as little endian.Rafael Espindola2013-04-051-34/+34
| | | | | | These should really be templated like ELF, but this is a start. llvm-svn: 178896
* Don't use InMemoryStruct in getSection and getSection64.Rafael Espindola2013-04-051-86/+51
| | | | llvm-svn: 178894
* Don't fetch pointers from a InMemoryStruct.Rafael Espindola2013-04-051-9/+18
| | | | | | | | InMemoryStruct is extremely dangerous as it returns data from an internal buffer when the endiannes doesn't match. This should fix the tests on big endian hosts. llvm-svn: 178875
* Move an assert earlier in a file and check that the result ofEric Christopher2013-02-281-2/+5
| | | | | | | | our bitwise compare is equal to the field we're looking for. Noticed on inspection. llvm-svn: 176296
* Add static cast to unsigned char whenever a character classification ↵Guy Benyei2013-02-121-1/+1
| | | | | | function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration. llvm-svn: 175006
* Object: Fix errant fallthrough.Jim Grosbach2013-01-311-0/+1
| | | | llvm-svn: 174079
* Add a function to get the segment name of a section.Rafael Espindola2012-12-211-14/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | On MachO, sections also have segment names. When a tool looking at a .o file prints a segment name, this is what they mean. In reality, a .o has only one anonymous, segment. This patch adds a MachO only function to fetch that segment name. I named it getSectionFinalSegmentName since the main use for the name seems to be inform the linker with segment this section should go to. The patch also changes MachOObjectFile::getSectionName to return just the section name instead of computing SegmentName,SectionName. The main difference from the previous patch is that it doesn't use InMemoryStruct. It is extremely dangerous: if the endians match it returns a pointer to the file buffer, if not, it returns a pointer to an internal buffer that is overwritten in the next API call. We should change all of this code to use support::detail::packed_endian_specific_integral like ELF, but since these functions only handle strings, they work with big and little endian machines as is. I have tested this by installing ubuntu 12.10 ppc on qemu, that is why it took so long :-) llvm-svn: 170838
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